Our ★★★★★ Extreme-Precision Ergo-Tweez™ Tweezers are made from Cobaltima, a special alloy containing Cobalt for added strength and corrosion resistance to acids. Cobaltima is harder than Stainless Steel and is anti magnetic. Resistant to temperaturesup to 500° Celsius (932° Fahrenheit). Tweezers also feature a soft foam cushion grip specially designed to fight operator fatigue and Carpel Tunnel Syndrome. ESD safe foam grips also act as a heat shield. Made in Switzerland.